From 76e7bf15427b7f3230c6b7f7092459a28b14f65b Mon Sep 17 00:00:00 2001
From: KoloMl <thekolomoets@hotmail.com>
Date: Thu, 27 Feb 2025 00:53:44 +0400
Subject: [PATCH] Fixed missing empty checks for required components

---
 src/lib/components/ImageShowFullscreenButton.ts |  2 +-
 src/lib/components/MaintenancePopup.ts          | 14 +++++++++-----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/lib/components/ImageShowFullscreenButton.ts b/src/lib/components/ImageShowFullscreenButton.ts
index 01a1eaf..f2c0993 100644
--- a/src/lib/components/ImageShowFullscreenButton.ts
+++ b/src/lib/components/ImageShowFullscreenButton.ts
@@ -47,7 +47,7 @@ export class ImageShowFullscreenButton extends BaseComponent {
   }
 
   #onButtonClicked() {
-    const imageLinks = this.#mediaBoxTools?.mediaBox.imageLinks;
+    const imageLinks = this.#mediaBoxTools?.mediaBox?.imageLinks;
 
     if (!imageLinks) {
       throw new Error('Failed to resolve image links from media box tools!');
diff --git a/src/lib/components/MaintenancePopup.ts b/src/lib/components/MaintenancePopup.ts
index fa65ce5..8792022 100644
--- a/src/lib/components/MaintenancePopup.ts
+++ b/src/lib/components/MaintenancePopup.ts
@@ -70,6 +70,10 @@ export class MaintenancePopup extends BaseComponent {
 
     const mediaBox = this.#mediaBoxTools.mediaBox;
 
+    if (!mediaBox) {
+      throw new Error('Media box component not found!');
+    }
+
     mediaBox.on('mouseout', this.#onMouseLeftArea.bind(this));
     mediaBox.on('mouseover', this.#onMouseEnteredArea.bind(this));
   }
@@ -83,7 +87,7 @@ export class MaintenancePopup extends BaseComponent {
   }
 
   #refreshTagsList() {
-    if (!this.#mediaBoxTools) {
+    if (!this.#mediaBoxTools?.mediaBox) {
       return;
     }
 
@@ -109,11 +113,11 @@ export class MaintenancePopup extends BaseComponent {
         this.#tagsList[index] = tagElement;
         this.#tagsListElement.appendChild(tagElement);
 
-        const isPresent = currentPostTags.has(tagName);
+        const isPresent = currentPostTags?.has(tagName);
 
         tagElement.classList.toggle('is-present', isPresent);
         tagElement.classList.toggle('is-missing', !isPresent);
-        tagElement.classList.toggle('is-aliased', isPresent && currentPostTags.get(tagName) !== tagName);
+        tagElement.classList.toggle('is-aliased', isPresent && currentPostTags?.get(tagName) !== tagName);
 
         // Just to prevent duplication, we need to include this tag to the map of suggested invalid tags
         if (tagsBlacklist.includes(tagName)) {
@@ -193,7 +197,7 @@ export class MaintenancePopup extends BaseComponent {
   }
 
   async #onSubmissionTimerPassed() {
-    if (!this.#isPlanningToSubmit || this.#isSubmitting || !this.#mediaBoxTools) {
+    if (!this.#isPlanningToSubmit || this.#isSubmitting || !this.#mediaBoxTools?.mediaBox) {
       return;
     }
 
@@ -264,7 +268,7 @@ export class MaintenancePopup extends BaseComponent {
   }
 
   #revealInvalidTags() {
-    if (!this.#mediaBoxTools) {
+    if (!this.#mediaBoxTools?.mediaBox) {
       return;
     }